On Sun, Sep 26, 2010 at 4:01 PM, Lucas Nodine wrote:
> Ok, so based on everyone's input it seems that I need to put some sort of
> server in front of Cassandra to handle locking and exclusive access.
>
> I am planning on building a system (DMS) that will store resources
> (document, images, media,
Ok, so based on everyone's input it seems that I need to put some sort of
server in front of Cassandra to handle locking and exclusive access.
I am planning on building a system (DMS) that will store resources
(document, images, media, etc) using Cassandra for data. As my target user
is going to
Atomic (all of it will complete, or none), but not isolated (readers
can see parts of a write before they see the whole thing).
On Sun, Sep 26, 2010 at 1:19 PM, Aaron Morton wrote:
> Mutations against a single key on a single machine are
> atomic http://wiki.apache.org/cassandra/FAQ#batch_mutate_
Mutations against a single key on a single machine are atomic http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomicAaronOn 27 Sep, 2010,at 07:48 AM, Norman Maurer wrote:To be more clear (maybe I was not before). BatchMutate is not atomic.
So it only "batch up" mutates to reduce overhead. So it
To be more clear (maybe I was not before). BatchMutate is not atomic.
So it only "batch up" mutates to reduce overhead. So it can be that
you will receive data from it even if the whole operation is not
complete or will not complete.
bye,
Norman
2010/9/26 Norman Maurer :
> Comments inside..
>
>
Comments inside..
2010/9/26 Lucas Nodine :
> I'm looking at a design where multiple clients will connect to Cassandra and
> get/mutate resources, possibly concurrently. After planning a bit, I ran
> into the following scenero for which I have not been able to research to
> find an answer sufficie
On Sun, Sep 26, 2010 at 11:04 AM, Lucas Nodine wrote:
> I'm looking at a design where multiple clients will connect to Cassandra and
> get/mutate resources, possibly concurrently. After planning a bit, I ran
> into the following scenero for which I have not been able to research to
> find an answ
I'm looking at a design where multiple clients will connect to Cassandra and
get/mutate resources, possibly concurrently. After planning a bit, I ran
into the following scenero for which I have not been able to research to
find an answer sufficient for my needs. I have found where others have
rec
